EP0612754B1 - Organopolysiloxanpolyether und deren Verwendung als hydrolysestabile Netzmittel in wässrigen Systemen - Google Patents
Organopolysiloxanpolyether und deren Verwendung als hydrolysestabile Netzmittel in wässrigen Systemen Download PDFInfo
- Publication number
- EP0612754B1 EP0612754B1 EP94102172A EP94102172A EP0612754B1 EP 0612754 B1 EP0612754 B1 EP 0612754B1 EP 94102172 A EP94102172 A EP 94102172A EP 94102172 A EP94102172 A EP 94102172A EP 0612754 B1 EP0612754 B1 EP 0612754B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radical
- organopolysiloxane
- organopolysiloxane polyethers
- polyether
- polyethers according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic System
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0834—Compounds having one or more O-Si linkage
- C07F7/0838—Compounds with one or more Si-O-Si sequences
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
- Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents
Definitions
- the invention relates to organopolysiloxane polyethers with increased resistance to hydrolysis.
- the invention further relates to the use of such Polysiloxane polyether as wetting agent in aqueous systems.
- Organopolysiloxane polyethers have been known for a long time. They consist in generally from an organopolysiloxane, to which end and / or side Polyoxyalkylene blocks are bound. Linking the polyoxyalkylene blocks with the polysiloxane can over SiC or SiOC bonds respectively.
- the present invention addresses the technical problem To find organopolysiloxane polyethers which have improved hydrolysis stability exhibit and thus their network effect over a longer period Maintain period. This retention of the network effect is special then necessary if aqueous preparations containing these wetting agents included over a period of several months before their Application should be stored. This is e.g. in aqueous coating systems the case that are made up by the manufacturer and after they are delivered to the dealer for several months before they are used as intended. So it will strived to find organopolysiloxane polyethers, their hydrolysis stability in aqueous systems several months, if possible up to two years.
- R 1 is a divalent, optionally branched alkylene radical with 3 to 6 carbon atoms in the alkylene chain.
- residues are the residues (CH 2 ) 3 -, - (CH 2 ) 4 -, - (CH 2 ) 6 -,
- radical - (CH 2 ) 3 - and the radical - (CH 2 ) 6 are particularly preferred.
- R 2 can have two different meanings, which depend on the number of carbon atoms in the radical R 1 :
- R 2 generally has the meaning of the radical (C m H 2m O-) s R 3 , where m is a number> 2.0 and ⁇ 2.5 and s is a number from 4 to 21.
- the index m results from the ratio of oxyethylene to oxypropylene units in the polyether and can have any value of> 2.0 and ⁇ 2.5. If m has a value of 2.5, this means that in the case that, apart from oxyethylene units, only oxypropylene units are present, 50 mol% of the oxyalkylene units are oxyethylene units and 50 mol% of the oxyalkylene units are oxypropylene units.
- the total number of oxyalkylene units is given by the value of the index s.
- the oxyalkylene units can be arranged statistically or in blocks. However, if the carbon number of the radical R 1 is 3 or 4, only the block arrangement of the oxyalkylene groups is permissible, so that the radical R 2 then has the formula (C 3 H 6 O-) p (C 2 H 4 O-) q ( C 3 H 6 O-) r R must be equal to 3, wherein p is a number from 1 to 3, q is a number from 4 to 15 and r is a number from 0 to 3.
- the indices p, q and r are average values. If the radical R 1 has 3 or 4 carbon atoms, the polyoxyalkylene chain of the radical R 2 begins with at least one oxypropylene unit. This ensures that the compounds according to the invention have the desired stability to hydrolysis even when the number of carbon atoms in the radical R 1 is low.
- n indicates the number of difunctional siloxy units and has a value from 1 to 3.
- the radical -R 1 -OR 2 preferably has a molecular weight of 400 to 700.
- R 3 is a hydrogen radical, an alkyl radical with 1 to 4 carbon atoms or an acetyl radical.
- R 3 is preferably a hydrogen radical.
- the compounds of the invention are prepared in known manner by adding a polyether, the starting alcohol terminally has an olefinic double bond to a hydrogen siloxane in the presence of platinum catalysts.
- the compounds according to the invention have the desired stability to hydrolysis and have excellent network properties. You are suitable therefore in particular as a wetting agent in aqueous coating systems as well in aqueous preparations of agrochemicals, such as herbicides, Pesticides and fungicides.
- the compounds become the aqueous preparation added in amounts of 0.01 to 1 wt .-%. Higher additional quantities are usually unnecessary.
- 222 g (1 mol) of 1,1,1,3,5,5,5-heptamethyltrisiloxane are added dropwise within an hour and the reaction mixture is stirred at this temperature for a further 4 hours.
- the SiH conversion after this reaction time is more than 90%.
- the resulting organopolysiloxane polyether has a viscosity of approx. 100 mPas at 25 ° C.
- an organopolysiloxane polyether of the average formula 857 g (1.2 mol) of a 5-hexen-1-ol-started polyether of the average formula CH 2 CH- (CH 2 -) 4 O (C 3 H 6 O-) 3 (C 2 H 4 O-) 10 H 30 mg (0.07 mmol) of hexachloroplatinic acid are added and the mixture is heated to 105.degree. 222 g (1.0 mol) of 1,1,1,3,5,5,5-heptamethyltrisiloxane are added dropwise within one hour and the reaction mixture is stirred at this temperature for a further 4 hours. The SiH conversion after this reaction time is more than 90%.
- the resulting organopolysiloxane polyether has a viscosity of approx. 100 mPas at 25 ° C.
- organopolysiloxane polyether 0.1 g is dissolved in 100 ml of distilled water, the pH of which has previously been adjusted to 5.0 using potassium hydrogen phthalate buffer. 0.05 ml of this solution is applied to a PVC film using a micropipette. As a result of the low surface tension of the aqueous organopolysiloxane polyether solution, the applied water drop spontaneously spreads on the PVC film.
- a direct measure of the wetting effect of the organopolysiloxane is the diameter of the wetted surface (measured in mm) that the aqueous solution occupies.
- organopolysiloxane polyether 0.2 g are dissolved in 100 ml of distilled water, the pH of which has previously been adjusted to 9.0 using sodium borate buffer.
- Application on PVC film and evaluation of the wetting effect and hydrolysis stability is carried out as described under A.
- the results are summarized in Table 2.
- Spread aqueous organopolysiloxane polyether (storage at 50 ° C) solutions 0.05 ml; 0.2%) at pH 9 on PVC film product
- Initial value 24 hours 72 h 1 w 2 W 3 W without surfactant 8th 8th 8th 8th 8th 8th 8th Product 1 40 40 40 40 38 34 Product 2 40 40 40 37 33 28 Product 3 44 22 15 8th 8th 8th Product 4 42 36 26 17th 8th 8th
Description
- a hat einen Wert von 0 bis 2,
- b hat einen Wert von 2 bis 3,
- R ist eine Methyl- oder Ethylgruppe,
- R' ist eine Alkylgruppe mit 1 bis 4 Kohlenstoffatomen,
- m hat einen Wert von 2 bis 4,
- n hat einen durchschnittlichen Wert von 4 bis 17,
- p hat einen durchschnittlichen Wert von 0 bis 5,
die Summe von n + p hat einen Wert von 4 bis 17,
die Polyoxyalkylengruppe ist mit dem Siliciumatom der Einheit (a) über wenigstens 2 Kohlenstoffatome der CmH2m-Gruppe verbunden.
- R1
- ein zweiwertiger, gegebenenfalls verzweigter Alkylenrest mit 3 bis 6 Kohlenstoffatomen in der Alkylenkette ist,
- R2
- ein Rest der Formel (CmH2mO-)sR3 ist, in der m eine Zahl von > 2,0 und ≦ 2,5, s eine Zahl von 4 bis 21 und R3 ein Wasserstoffrest, ein Alkylrest mit 1 bis 4 Kohlenstoffatomen oder ein Acetylrest ist, wobei jedoch, wenn der Rest R1 nur 3 oder 4 Kohlenstoffatome aufweist, eine blockweise Anordnung der Oxyalkyleneinheiten entsprechend der Formel (C3H6O-)p(C2H4O-)q(C3H6O-)rR3 einzuhalten ist, in der p eine Zahl von 1 bis 3, q eine Zahl von 4 bis 15 und r eine Zahl von 0 bis 3 ist,
- n
- eine Zahl von 1 bis 3 ist,
(CH2)3-, -(CH2)4-, -(CH2)6-,
Spreitung wäßriger Organopolysiloxanpolyether (Lagerung bei 50°C) Lösungen (0,05 ml; 0,1 %ig) bei pH 5 auf PVC-Folie | ||||||
Produkt | Startwert | 24 h | 72 h | 1 W | 2 W | 3 W |
ohne Tensid | 8 | 8 | 8 | 8 | 8 | 8 |
Produkt 1 | 40 | 40 | 40 | 38 | 33 | 27 |
Produkt 2 | 40 | 40 | 40 | 40 | 40 | 36 |
Produkt 3 | 44 | 32 | 15 | 8 | 8 | 8 |
Produkt 4 | 42 | 30 | 23 | 14* | 8 | 8 |
Spreitung wäßriger Organopolysiloxanpolyether (Lagerung bei 50°C) Lösungen (0,05 ml; 0,2 %ig) bei pH 9 auf PVC-Folie | ||||||
Produkt | Startwert | 24 h | 72 h | 1 W | 2 W | 3 W |
ohne Tensid | 8 | 8 | 8 | 8 | 8 | 8 |
Produkt 1 | 40 | 40 | 40 | 40 | 38 | 34 |
Produkt 2 | 40 | 40 | 40 | 37 | 33 | 28 |
Produkt 3 | 44 | 22 | 15 | 8 | 8 | 8 |
Produkt 4 | 42 | 36 | 26 | 17 | 8 | 8 |
Claims (9)
- Organopolysiloxanpolyether der allgemeinen Formel wobei
- R1
- ein zweiwertiger, gegebenenfalls verzweigter Alkylenrest mit 3 bis 6 Kohlenstoffatomen in der Alkylenkette ist,
- R2
- ein Rest der Formel (CmH2mO-)sR3 ist, in der m eine Zahl von > 2,0 und ≦ 2,5, s eine Zahl von 4 bis 21 und R3 ein Wasserstoffrest, ein Alkylrest mit 1 bis 4 Kohlenstoffatomen oder ein Acetylrest ist, wobei jedoch, wenn der Rest R1 nur 3 oder 4 Kohlenstoffatome aufweist, eine blockweise Anordnung der Oxyalkyleneinheiten entsprechend der Formel (C3H6O-)p(C2H4O-)q(C3H6O-)rR3 einzuhalten ist, in der p eine Zahl von 1 bis 3, q eine Zahl von 4 bis 15 und r eine Zahl von 0 bis 3 ist,
- n
- eine Zahl von 1 bis 3 ist,
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß R1 ein -(CH2)a-Rest ist, wobei a eine Zahl von 3 bis 6 bedeutet.
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß R3 ein Wasserstoffrest ist.
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß n = 1 ist.
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß p = 1 bis 1,5 ist.
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß q = 5 bis 10 ist.
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß r = 1 bis 1,5 ist.
- Organopolysiloxanpolyether nach Anspruch 1, dadurch gekennzeichnet, daß die Molmasse des Restes -R1-O-R2 = 400 bis 700 beträgt.
- Verwendung der Organopolysiloxanpolyether nach Ansprüchen 1 bis 8 als hydrolysestabile Netzmittel in wäßrigen Systemen in Mengen von 0,01 bis 1 Gew.-%, bezogen auf Zubereitung.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4305794 | 1993-02-25 | ||
DE4305794 | 1993-02-25 | ||
DE4317605 | 1993-05-27 | ||
DE4317605A DE4317605C1 (de) | 1993-02-25 | 1993-05-27 | Organopolysiloxanpolyether und deren Verwendung als hydrolysestabile Netzmittel in wäßrigen Systemen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0612754A1 EP0612754A1 (de) | 1994-08-31 |
EP0612754B1 true EP0612754B1 (de) | 1998-08-19 |
Family
ID=25923401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94102172A Expired - Lifetime EP0612754B1 (de) | 1993-02-25 | 1994-02-12 | Organopolysiloxanpolyether und deren Verwendung als hydrolysestabile Netzmittel in wässrigen Systemen |
Country Status (3)
Country | Link |
---|---|
US (1) | US5401871A (de) |
EP (1) | EP0612754B1 (de) |
ES (1) | ES2120523T3 (de) |
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US7645720B2 (en) * | 2005-12-13 | 2010-01-12 | Momentive Performance Materials Inc. | Extreme environment surfactant compositions comprising hydrolysis resistant organomodified disiloxane surfactants |
US20070131610A1 (en) * | 2005-12-13 | 2007-06-14 | General Electric Company | Membrane-based apparatus and associated method |
US20070134283A1 (en) * | 2005-12-13 | 2007-06-14 | General Electric Company | Surfactant-based composition and associated methods |
US7601680B2 (en) * | 2005-12-13 | 2009-10-13 | Momentive Performance Materials | Gemini silicone surfactant compositions and associated methods |
US7935842B2 (en) * | 2006-02-09 | 2011-05-03 | Momentive Performance Materials Inc. | Hydrolysis resistant organomodified trisiloxane surfactants |
US20070197394A1 (en) * | 2006-02-17 | 2007-08-23 | General Electric Company | Hydrolysis resistant organomodified trisiloxane surfactants |
US20070249560A1 (en) * | 2006-04-21 | 2007-10-25 | Leatherman Mark D | Hydrolysis resistant organomodified silyated surfactants |
US7700797B2 (en) * | 2006-05-22 | 2010-04-20 | Momentive Performance Materials Inc. | Use of hydrolysis resistant organomodified silylated surfactants |
US7259220B1 (en) * | 2006-07-13 | 2007-08-21 | General Electric Company | Selective hydrosilylation method |
US7964032B2 (en) * | 2006-10-17 | 2011-06-21 | Momentive Performance Materials Inc. | Fluorine-free trisiloxane surfactant compositions for use in coatings and printing ink compositions |
US7399350B2 (en) * | 2006-10-17 | 2008-07-15 | Momentive Performance Materials Inc. | Fluorine-free disiloxane surfactant compositions for use in coatings and printing ink compositions |
US7723414B2 (en) | 2006-12-22 | 2010-05-25 | E. I. Du Pont De Nemours And Company | Antistatic system for polymers |
DE102009022628A1 (de) * | 2008-12-05 | 2010-06-10 | Evonik Goldschmidt Gmbh | Verfahren zur Modifizierung von Oberflächen |
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DE102009028640A1 (de) * | 2009-08-19 | 2011-02-24 | Evonik Goldschmidt Gmbh | Härtbare Masse enthaltend Urethangruppen aufweisende silylierte Polymere und deren Verwendung in Dicht- und Klebstoffen, Binde- und/oder Oberflächenmodifizierungsmitteln |
DK3153020T3 (en) | 2009-10-07 | 2019-03-25 | Dow Agrosciences Llc | SYNERGISTIC FUNGICIDE MIXTURES FOR FERTILIZER IN GRAIN PLANTS |
DE102010002178A1 (de) * | 2010-02-22 | 2011-08-25 | Evonik Goldschmidt GmbH, 45127 | Verfahren zur Herstellung von Amin-Amid-funktionellen Siloxanen |
DE102010002180A1 (de) * | 2010-02-22 | 2011-08-25 | Evonik Goldschmidt GmbH, 45127 | Stickstoffhaltige silizium-organische Pfropfmischpolymere |
DE102010062156A1 (de) | 2010-10-25 | 2012-04-26 | Evonik Goldschmidt Gmbh | Polysiloxane mit stickstoffhaltigen Gruppen |
LT2938191T (lt) | 2012-12-28 | 2018-05-10 | Dow Agrosciences Llc | Sinergistiniai fungicidiniai mišiniai, skirti grybelių kontrolei javuose |
EP3086640A4 (de) | 2013-12-26 | 2017-06-21 | Dow AgroSciences LLC | Makrocyclische picolinamide als fungizide |
CN106470982A (zh) | 2014-07-08 | 2017-03-01 | 美国陶氏益农公司 | 作为杀真菌剂的大环吡啶酰胺 |
CN104193984B (zh) * | 2014-09-02 | 2016-06-08 | 科之杰新材料集团有限公司 | 一种混凝土减水剂用不饱和烯基聚醚单体及其制备方法 |
BR112017013758B1 (pt) | 2014-12-30 | 2021-11-23 | Dow Agrosciences Llc | Compostos de picolinamida com atividade fungicida |
CA2971433A1 (en) | 2014-12-30 | 2016-07-07 | Dow Agrosciences Llc | Picolinamides with fungicidal activity |
MX2017008439A (es) | 2014-12-30 | 2017-10-02 | Dow Agrosciences Llc | Compuestos de picolinamida con actividad fungicida. |
RU2017126717A (ru) | 2014-12-30 | 2019-01-31 | ДАУ АГРОСАЙЕНСИЗ ЭлЭлСи | Применение пиколинамидов в качестве фунгицидов |
WO2016109257A1 (en) | 2014-12-30 | 2016-07-07 | Dow Agrosciences Llc | Use of picolinamide compounds as fungicides |
JP6767979B2 (ja) | 2014-12-30 | 2020-10-14 | ダウ アグロサイエンシィズ エルエルシー | 殺真菌性組成物 |
CA3015272A1 (en) | 2016-03-16 | 2017-09-21 | Construction Research & Technology Gmbh | Surface applied corrosion inhibitor |
US10244754B2 (en) | 2016-08-30 | 2019-04-02 | Dow Agrosciences Llc | Picolinamide N-oxide compounds with fungicidal activity |
WO2018044996A1 (en) | 2016-08-30 | 2018-03-08 | Dow Agrosciences Llc | Picolinamides as fungicides |
US10172358B2 (en) | 2016-08-30 | 2019-01-08 | Dow Agrosciences Llc | Thiopicolinamide compounds with fungicidal activity |
US10334852B2 (en) | 2016-08-30 | 2019-07-02 | Dow Agrosciences Llc | Pyrido-1,3-oxazine-2,4-dione compounds with fungicidal activity |
BR102018000183B1 (pt) | 2017-01-05 | 2023-04-25 | Dow Agrosciences Llc | Picolinamidas, composição para controle de um patógeno fúngico, e método para controle e prevenção de um ataque por fungos em uma planta |
TWI774761B (zh) | 2017-05-02 | 2022-08-21 | 美商科迪華農業科技有限責任公司 | 用於穀物中的真菌防治之協同性混合物 |
TW201842851A (zh) | 2017-05-02 | 2018-12-16 | 美商陶氏農業科學公司 | 用於穀類中的真菌防治之協同性混合物 |
CN110996665B (zh) | 2017-05-02 | 2021-10-26 | 陶氏益农公司 | 无环吡啶酰胺化合物作为针对草坪草上的真菌病害的杀真菌剂的用途 |
EP3524651A1 (de) | 2018-02-08 | 2019-08-14 | Evonik Degussa GmbH | Wässrige polyorganosiloxanhybridharz-dispersion |
BR102019004480B1 (pt) | 2018-03-08 | 2023-03-28 | Dow Agrosciences Llc | Picolinamidas como fungicidas |
BR112021006669A2 (pt) | 2018-10-15 | 2021-07-06 | Dow Agrosciences Llc | métodos para síntese de oxipicolinamidas |
CN114269439A (zh) | 2019-04-23 | 2022-04-01 | 泰科消防产品有限合伙公司 | 用于液体车辆系统的非氟化剂 |
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GB802467A (en) * | 1956-05-23 | 1958-10-08 | Midland Silicones Ltd | Organopolysiloxanes |
US3172899A (en) * | 1959-06-29 | 1965-03-09 | Or")noe | |
NL133334C (de) * | 1964-06-19 | 1900-01-01 | ||
FR2484425B1 (fr) * | 1980-05-06 | 1986-05-16 | Exsymol Sa | Polyoxyalkylene-siloxanes speciaux et leurs applications |
JPH0791389B2 (ja) * | 1989-05-17 | 1995-10-04 | 信越化学工業株式会社 | 精製されたポリエーテルシリコーン及びその製造方法 |
JPH06102727B2 (ja) * | 1990-05-31 | 1994-12-14 | 信越化学工業株式会社 | ポリエーテル・アルキルエーテル共変性シリコーン化合物 |
US5145879A (en) * | 1990-12-31 | 1992-09-08 | Union Carbide Chemicals & Plastics Technology Corporation | Surfactants for manufacture of urethane foams |
US5260469A (en) * | 1992-03-26 | 1993-11-09 | Ppg Industries, Inc. | Organo-siloxane with modified solubility |
DE4229402A1 (de) * | 1992-09-03 | 1994-03-10 | Goldschmidt Ag Th | Polysiloxan-Polyoxyalkylen-Blockmischpolymerisat mit unterschiedlichen Polyoxyalkylenblöcken im durchschnittlichen Molekül |
-
1994
- 1994-02-12 ES ES94102172T patent/ES2120523T3/es not_active Expired - Lifetime
- 1994-02-12 EP EP94102172A patent/EP0612754B1/de not_active Expired - Lifetime
- 1994-02-24 US US08/202,399 patent/US5401871A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2120523T3 (es) | 1998-11-01 |
EP0612754A1 (de) | 1994-08-31 |
US5401871A (en) | 1995-03-28 |
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